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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JPASchemaGeneratorTask.html 926 2014-09-17 03:05:56Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.dellroad.stuff.ant;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import java.io.File;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import java.net.MalformedURLException;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import java.net.URL;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import java.sql.Connection;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import java.sql.DriverManager;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import java.sql.SQLException;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import java.util.HashMap;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import javax.persistence.Persistence;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import javax.persistence.PersistenceException;<a name="line.19"></a>
<span class="sourceLineNo">020</span><a name="line.20"></a>
<span class="sourceLineNo">021</span>import org.apache.tools.ant.AntClassLoader;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import org.apache.tools.ant.BuildException;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import org.apache.tools.ant.Project;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.tools.ant.Task;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.tools.ant.types.Path;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>/**<a name="line.27"></a>
<span class="sourceLineNo">028</span> * Ant task for JPA 2.1 schema generation.<a name="line.28"></a>
<span class="sourceLineNo">029</span> *<a name="line.29"></a>
<span class="sourceLineNo">030</span> * @see &lt;a href="https://blogs.oracle.com/arungupta/entry/jpa_2_1_schema_generation"&gt;JPA 2.1 Schema Generation (TOTD #187)&lt;/a&gt;<a name="line.30"></a>
<span class="sourceLineNo">031</span> */<a name="line.31"></a>
<span class="sourceLineNo">032</span>public class JPASchemaGeneratorTask extends Task {<a name="line.32"></a>
<span class="sourceLineNo">033</span><a name="line.33"></a>
<span class="sourceLineNo">034</span>    private boolean create;<a name="line.34"></a>
<span class="sourceLineNo">035</span>    private boolean drop;<a name="line.35"></a>
<span class="sourceLineNo">036</span>    private boolean schemas;<a name="line.36"></a>
<span class="sourceLineNo">037</span>    private String unit;<a name="line.37"></a>
<span class="sourceLineNo">038</span>    private String driver;<a name="line.38"></a>
<span class="sourceLineNo">039</span>    private String url;<a name="line.39"></a>
<span class="sourceLineNo">040</span>    private String username;<a name="line.40"></a>
<span class="sourceLineNo">041</span>    private String password;<a name="line.41"></a>
<span class="sourceLineNo">042</span>    private String databaseProductName;<a name="line.42"></a>
<span class="sourceLineNo">043</span>    private int databaseMajorVersion;<a name="line.43"></a>
<span class="sourceLineNo">044</span>    private int databaseMinorVersion;<a name="line.44"></a>
<span class="sourceLineNo">045</span>    private File file;<a name="line.45"></a>
<span class="sourceLineNo">046</span>    private Path classPath;<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span>    public void setCreate(boolean create) {<a name="line.48"></a>
<span class="sourceLineNo">049</span>        this.create = create;<a name="line.49"></a>
<span class="sourceLineNo">050</span>    }<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>    public void setDrop(boolean drop) {<a name="line.52"></a>
<span class="sourceLineNo">053</span>        this.drop = drop;<a name="line.53"></a>
<span class="sourceLineNo">054</span>    }<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span>    public void setSchemas(boolean schemas) {<a name="line.56"></a>
<span class="sourceLineNo">057</span>        this.schemas = schemas;<a name="line.57"></a>
<span class="sourceLineNo">058</span>    }<a name="line.58"></a>
<span class="sourceLineNo">059</span><a name="line.59"></a>
<span class="sourceLineNo">060</span>    public void setUnit(String unit) {<a name="line.60"></a>
<span class="sourceLineNo">061</span>        this.unit = unit;<a name="line.61"></a>
<span class="sourceLineNo">062</span>    }<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span>    public void setDriver(String driver) {<a name="line.64"></a>
<span class="sourceLineNo">065</span>        this.driver = driver;<a name="line.65"></a>
<span class="sourceLineNo">066</span>    }<a name="line.66"></a>
<span class="sourceLineNo">067</span><a name="line.67"></a>
<span class="sourceLineNo">068</span>    public void setURL(String url) {<a name="line.68"></a>
<span class="sourceLineNo">069</span>        this.url = url;<a name="line.69"></a>
<span class="sourceLineNo">070</span>    }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>    public void setUsername(String username) {<a name="line.72"></a>
<span class="sourceLineNo">073</span>        this.username = username;<a name="line.73"></a>
<span class="sourceLineNo">074</span>    }<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span>    public void setPassword(String password) {<a name="line.76"></a>
<span class="sourceLineNo">077</span>        this.password = password;<a name="line.77"></a>
<span class="sourceLineNo">078</span>    }<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span>    public void setDatabaseProductName(String databaseProductName) {<a name="line.80"></a>
<span class="sourceLineNo">081</span>        this.databaseProductName = databaseProductName;<a name="line.81"></a>
<span class="sourceLineNo">082</span>    }<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span>    public void setDatabaseMajorVersion(int databaseMajorVersion) {<a name="line.84"></a>
<span class="sourceLineNo">085</span>        this.databaseMajorVersion = databaseMajorVersion;<a name="line.85"></a>
<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span>    public void setDatabaseMinorVersion(int databaseMinorVersion) {<a name="line.88"></a>
<span class="sourceLineNo">089</span>        this.databaseMinorVersion = databaseMinorVersion;<a name="line.89"></a>
<span class="sourceLineNo">090</span>    }<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>    public void setFile(File file) {<a name="line.92"></a>
<span class="sourceLineNo">093</span>        this.file = file;<a name="line.93"></a>
<span class="sourceLineNo">094</span>    }<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>    public Path createClasspath() {<a name="line.96"></a>
<span class="sourceLineNo">097</span>        this.classPath = new Path(this.getProject());<a name="line.97"></a>
<span class="sourceLineNo">098</span>        return this.classPath;<a name="line.98"></a>
<span class="sourceLineNo">099</span>    }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>    public void setClasspath(Path classPath) {<a name="line.101"></a>
<span class="sourceLineNo">102</span>        this.classPath = classPath;<a name="line.102"></a>
<span class="sourceLineNo">103</span>    }<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
<span class="sourceLineNo">105</span>    /**<a name="line.105"></a>
<span class="sourceLineNo">106</span>     * @throws BuildException<a name="line.106"></a>
<span class="sourceLineNo">107</span>     */<a name="line.107"></a>
<span class="sourceLineNo">108</span>    @Override<a name="line.108"></a>
<span class="sourceLineNo">109</span>    public void execute() {<a name="line.109"></a>
<span class="sourceLineNo">110</span><a name="line.110"></a>
<span class="sourceLineNo">111</span>        // Sanity check<a name="line.111"></a>
<span class="sourceLineNo">112</span>        if (this.unit == null)<a name="line.112"></a>
<span class="sourceLineNo">113</span>            throw new BuildException("`unit' attribute is required specifying persistence unit name");<a name="line.113"></a>
<span class="sourceLineNo">114</span>        if (this.file == null)<a name="line.114"></a>
<span class="sourceLineNo">115</span>            throw new BuildException("`file' attribute is required specifying output file");<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
<span class="sourceLineNo">117</span>        // Create directory containing file<a name="line.117"></a>
<span class="sourceLineNo">118</span>        if (this.file.getParent() != null &amp;&amp; !this.file.getParentFile().exists() &amp;&amp; !this.file.getParentFile().mkdirs())<a name="line.118"></a>
<span class="sourceLineNo">119</span>            throw new BuildException("error creating directory `" + this.file.getParentFile() + "'");<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>        // Get URL of output file<a name="line.121"></a>
<span class="sourceLineNo">122</span>        final URL fileURL;<a name="line.122"></a>
<span class="sourceLineNo">123</span>        try {<a name="line.123"></a>
<span class="sourceLineNo">124</span>            fileURL = this.file.toURI().toURL();<a name="line.124"></a>
<span class="sourceLineNo">125</span>        } catch (MalformedURLException e) {<a name="line.125"></a>
<span class="sourceLineNo">126</span>            throw new BuildException("unexpected exception: " + e, e);<a name="line.126"></a>
<span class="sourceLineNo">127</span>        }<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>        // Set up properties<a name="line.129"></a>
<span class="sourceLineNo">130</span>        final HashMap&lt;String, Object&gt; map = new HashMap&lt;&gt;();<a name="line.130"></a>
<span class="sourceLineNo">131</span>        map.put("javax.persistence.schema-generation.scripts.create-target", fileURL.toString());<a name="line.131"></a>
<span class="sourceLineNo">132</span>        map.put("javax.persistence.schema-generation.scripts.drop-target", fileURL.toString());<a name="line.132"></a>
<span class="sourceLineNo">133</span>        map.put("javax.persistence.schema-generation.scripts.create-source", "metadata");<a name="line.133"></a>
<span class="sourceLineNo">134</span>        map.put("javax.persistence.schema-generation.scripts.drop-source", "metadata");<a name="line.134"></a>
<span class="sourceLineNo">135</span>        map.put("javax.persistence.schema-generation.database.action", "none");<a name="line.135"></a>
<span class="sourceLineNo">136</span>        map.put("javax.persistence.schema-generation.scripts.action",<a name="line.136"></a>
<span class="sourceLineNo">137</span>          this.create &amp;&amp; this.drop ? "drop-and-create" : this.create ? "create" : "drop");<a name="line.137"></a>
<span class="sourceLineNo">138</span>        map.put("javax.persistence.schema-generation.create-database-schemas", this.schemas);<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span>        // Set up mysterious classloader stuff<a name="line.140"></a>
<span class="sourceLineNo">141</span>        final AntClassLoader loader = this.getProject().createClassLoader(this.classPath);<a name="line.141"></a>
<span class="sourceLineNo">142</span>        final ClassLoader currentLoader = this.getClass().getClassLoader();<a name="line.142"></a>
<span class="sourceLineNo">143</span>        if (currentLoader != null)<a name="line.143"></a>
<span class="sourceLineNo">144</span>            loader.setParent(currentLoader);<a name="line.144"></a>
<span class="sourceLineNo">145</span>        loader.setThreadContextLoader();<a name="line.145"></a>
<span class="sourceLineNo">146</span>        try {<a name="line.146"></a>
<span class="sourceLineNo">147</span><a name="line.147"></a>
<span class="sourceLineNo">148</span>            // Use connection to get database info, or use explicitly provided info<a name="line.148"></a>
<span class="sourceLineNo">149</span>            Connection con = null;<a name="line.149"></a>
<span class="sourceLineNo">150</span>            if (this.url != null &amp;&amp; this.url.length() &gt; 0) {<a name="line.150"></a>
<span class="sourceLineNo">151</span>                if (this.driver != null &amp;&amp; this.driver.length() &gt; 0) {<a name="line.151"></a>
<span class="sourceLineNo">152</span>                    try {<a name="line.152"></a>
<span class="sourceLineNo">153</span>                        Class.forName(this.driver);<a name="line.153"></a>
<span class="sourceLineNo">154</span>                    } catch (Exception e) {<a name="line.154"></a>
<span class="sourceLineNo">155</span>                        throw new BuildException("can't load database driver class `" + this.driver + "': " + e, e);<a name="line.155"></a>
<span class="sourceLineNo">156</span>                    }<a name="line.156"></a>
<span class="sourceLineNo">157</span>                }<a name="line.157"></a>
<span class="sourceLineNo">158</span>                try {<a name="line.158"></a>
<span class="sourceLineNo">159</span>                    con = DriverManager.getConnection(this.url, this.username, this.password);<a name="line.159"></a>
<span class="sourceLineNo">160</span>                } catch (Exception e) {<a name="line.160"></a>
<span class="sourceLineNo">161</span>                    throw new BuildException("can't database connection to " + this.url, e);<a name="line.161"></a>
<span class="sourceLineNo">162</span>                }<a name="line.162"></a>
<span class="sourceLineNo">163</span>                map.put("javax.persistence.schema-generation.connection", con);<a name="line.163"></a>
<span class="sourceLineNo">164</span>            } else {<a name="line.164"></a>
<span class="sourceLineNo">165</span>                if (databaseProductName == null) {<a name="line.165"></a>
<span class="sourceLineNo">166</span>                    throw new BuildException("must specify database type using \"databaseProductName\", \"databaseMajorVersion\","<a name="line.166"></a>
<span class="sourceLineNo">167</span>                      + " and \"databaseMinorVersion\" attributes, or using \"driver\", \"url\", \"username\", and \"password\""<a name="line.167"></a>
<span class="sourceLineNo">168</span>                      + " attributes");<a name="line.168"></a>
<span class="sourceLineNo">169</span>                }<a name="line.169"></a>
<span class="sourceLineNo">170</span>                map.put("javax.persistence.database-product-name", this.databaseProductName);<a name="line.170"></a>
<span class="sourceLineNo">171</span>                map.put("javax.persistence.database-major-version", this.databaseMajorVersion);<a name="line.171"></a>
<span class="sourceLineNo">172</span>                map.put("javax.persistence.database-minor-version", this.databaseMinorVersion);<a name="line.172"></a>
<span class="sourceLineNo">173</span>            }<a name="line.173"></a>
<span class="sourceLineNo">174</span><a name="line.174"></a>
<span class="sourceLineNo">175</span>            // Debug<a name="line.175"></a>
<span class="sourceLineNo">176</span>            this.log("Properties for persistence unit `" + this.unit + "' JPA schema generation: " + map, Project.MSG_VERBOSE);<a name="line.176"></a>
<span class="sourceLineNo">177</span><a name="line.177"></a>
<span class="sourceLineNo">178</span>            // Generate schema<a name="line.178"></a>
<span class="sourceLineNo">179</span>            try {<a name="line.179"></a>
<span class="sourceLineNo">180</span>                Persistence.generateSchema(this.unit, map);<a name="line.180"></a>
<span class="sourceLineNo">181</span>            } catch (PersistenceException e) {<a name="line.181"></a>
<span class="sourceLineNo">182</span>                throw new BuildException("schema generation for persistence unit `" + this.unit + "' failed: " + e, e);<a name="line.182"></a>
<span class="sourceLineNo">183</span>            } finally {<a name="line.183"></a>
<span class="sourceLineNo">184</span>                if (con != null) {<a name="line.184"></a>
<span class="sourceLineNo">185</span>                    try {<a name="line.185"></a>
<span class="sourceLineNo">186</span>                        con.close();<a name="line.186"></a>
<span class="sourceLineNo">187</span>                    } catch (SQLException e) {<a name="line.187"></a>
<span class="sourceLineNo">188</span>                        // ignore<a name="line.188"></a>
<span class="sourceLineNo">189</span>                    }<a name="line.189"></a>
<span class="sourceLineNo">190</span>                }<a name="line.190"></a>
<span class="sourceLineNo">191</span>            }<a name="line.191"></a>
<span class="sourceLineNo">192</span>        } finally {<a name="line.192"></a>
<span class="sourceLineNo">193</span>            loader.resetThreadContextLoader();<a name="line.193"></a>
<span class="sourceLineNo">194</span>            loader.cleanup();<a name="line.194"></a>
<span class="sourceLineNo">195</span>        }<a name="line.195"></a>
<span class="sourceLineNo">196</span>    }<a name="line.196"></a>
<span class="sourceLineNo">197</span>}<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>




























































</pre>
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